参数资料
型号: MAX1584ETJ+
厂商: Maxim Integrated Products
文件页数: 1/29页
文件大小: 0K
描述: IC DGTL CAM PWR-SUP 5CH 32TQFN
产品培训模块: Lead (SnPb) Finish for COTS
Obsolescence Mitigation Program
标准包装: 60
应用: 控制器,数字式相机
输入电压: 0.7 V ~ 5.5 V
输出数: 5
输出电压: 1.25 V ~ 5.5 V
工作温度: -40°C ~ 85°C
安装类型: 表面贴装
封装/外壳: 32-WFQFN 裸露焊盘
供应商设备封装: 32-TQFN-EP(5x5)
包装: 管件
19-2883; Rev 0; 7/03
5-Channel Slim DSC Power Supplies
General Description
The MAX1584/MAX1585 provide a complete power-
supply solution for slim digital cameras. They improve
performance, component count, and size compared to
conventional multichannel controllers in 2-cell AA, 1-cell
Li+, and dual-battery designs. On-chip MOSFETs pro-
vide up to 95% efficiency for critical power supplies,
while additional channels operate with external FETs for
optimum design flexibility. This optimizes overall effi-
ciency and cost, while also reducing board space.
The MAX1584/MAX1585 include 5 high-efficiency DC-
DC conversion channels:
? Step-up DC-DC converter with on-chip FETs
? Step-down DC-DC converter with on-chip FETs
? Three PWM DC-DC controllers for CCD, LCD, LED,
or other functions
The step-down DC-DC converter can operate directly
from the battery or from the step-up output, providing
boost-buck capability with a compound efficiency of up
to 90%. Both devices include three PWM DC-DC con-
Features
? Step-Up DC-DC Converter, 95% Efficient
? Step-Down DC-DC Converter
Operate from Battery for 95% Efficient
Step-Down
90% Efficient Boost-Buck with Step-Up
? Three Auxiliary PWM DC-DC Controllers
? No Transformers (MAX1585)
? Up to 1MHz Operating Frequency
? 1mA Shutdown Mode
? Internal Soft-Start Control
? Overload Protection
? Compact 32-Pin Thin QFN Package (5mm x 5mm)
Ordering Information
trollers: the MAX1584 includes two step-up controllers
and one step-down controller, while the MAX1585
PART
TEMP RANGE
PIN-
PACKAGE
AUX
FUNCTIONS
includes one step-up controller, one inverting controller,
and one step-down controller. All DC-DC channels
operate at one fixed frequency—settable from 100kHz
to 1MHz—to optimize size, cost, and efficiency. Other
features include soft-start, power-OK outputs, and over-
load protection. The MAX1584/MAX1585 are available
MAX1584 ETJ -40 ° C to +85 ° C
MAX1585 ETJ -40 ° C to +85 ° C
32 Thin QFN
5mm x 5mm
32 Thin QFN
5mm x 5mm
2 step-up
1 step-down
1 step-up
1 step-down
1 inverting
in space-saving, 32-pin thin QFN packages. An evalua-
tion kit is available to expedite designs.
Digital Cameras
PDAs
Applications
Pin Configuration
32
31
30
29
28
27
26
25
Typical Operating Circuit
CC1
FB1
PGSD
1
2
3
24
23
22
CC2
FB2
PVSU
LXSD
4
MAX1584
21
LXSU
INPUT
0.7V TO 5.5V
MAX1585
PVSD
5
MAX1585
20
PGSU
ONSD
6
19
OSC
STEP-UP
SYSTEM +5V
CCSD
7
18
SCF
STEP-DOWN
CORE +1.8V
ONSU
ONSD
AUX1
AUX2
LCD, CCD, LED +15V
CCD -7.5V
FBSD
8
9
10
11
12
13
14
15
16
17
SDOK
ON1
AUX3
LOGIC +3.3V
ON2
ON3
THIN QFN
5mm x 5mm
________________________________________________________________ Maxim Integrated Products
For pricing, delivery, and ordering information, please contact Maxim Direct at 1-888-629-4642,
or visit Maxim's website at www.maxim-ic.com.
1
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相关代理商/技术参数
参数描述
MAX1584ETJ+ 功能描述:直流/直流开关转换器 5Ch Slim DSC Power Supply RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
MAX1584ETJ+T 功能描述:直流/直流开关转换器 5Ch Slim DSC Power Supply RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
MAX1584ETJ-T 功能描述:直流/直流开关转换器 5Ch Slim DSC Power Supply RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
MAX1585ETJ 功能描述:直流/直流开关转换器 5Ch Slim DSC Power Supply RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT
MAX1585ETJ+ 功能描述:直流/直流开关转换器 5Ch Slim DSC Power Supply RoHS:否 制造商:STMicroelectronics 最大输入电压:4.5 V 开关频率:1.5 MHz 输出电压:4.6 V 输出电流:250 mA 输出端数量:2 最大工作温度:+ 85 C 安装风格:SMD/SMT